Common Field or Slender Sedge
Common Fig
Common Garden Petunia
Common Hackberry
Common Lilac
Common Morning Glory
Common Snowberry
Common Thrift
Common Yarrow
Common Yarrow, Milfoil, Sneezewort
Common Zinnia
Concha California Lilac
Conejo Buckwheat
Confetti Lantana
Contorted White Pine
Copper King Gazania
Coral Bark Maple
Coral Beauty Bearded Iris
Coral Bells